2c661f360b
The CameraHalManager should be instantiated once only, and never copied or moved. Disable copying and moving. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
73 lines
1.7 KiB
C++
73 lines
1.7 KiB
C++
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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/*
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* Copyright (C) 2019, Google Inc.
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*
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* camera_hal_manager.h - libcamera Android Camera Manager
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*/
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#ifndef __ANDROID_CAMERA_MANAGER_H__
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#define __ANDROID_CAMERA_MANAGER_H__
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#include <map>
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#include <mutex>
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#include <stddef.h>
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#include <tuple>
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#include <vector>
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#include <hardware/camera_common.h>
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#include <hardware/hardware.h>
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#include <system/camera_metadata.h>
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#include <libcamera/base/class.h>
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#include <libcamera/camera_manager.h>
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#include "camera_hal_config.h"
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class CameraDevice;
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class CameraHalManager
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{
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public:
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~CameraHalManager();
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static CameraHalManager *instance();
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int init();
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std::tuple<CameraDevice *, int>
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open(unsigned int id, const hw_module_t *module);
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unsigned int numCameras() const;
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int getCameraInfo(unsigned int id, struct camera_info *info);
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void setCallbacks(const camera_module_callbacks_t *callbacks);
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private:
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LIBCAMERA_DISABLE_COPY_AND_MOVE(CameraHalManager)
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using Mutex = std::mutex;
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using MutexLocker = std::unique_lock<std::mutex>;
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static constexpr unsigned int firstExternalCameraId_ = 1000;
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CameraHalManager();
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static int32_t cameraLocation(const libcamera::Camera *cam);
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void cameraAdded(std::shared_ptr<libcamera::Camera> cam);
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void cameraRemoved(std::shared_ptr<libcamera::Camera> cam);
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CameraDevice *cameraDeviceFromHalId(unsigned int id);
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std::unique_ptr<libcamera::CameraManager> cameraManager_;
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CameraHalConfig halConfig_;
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const camera_module_callbacks_t *callbacks_;
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std::vector<std::unique_ptr<CameraDevice>> cameras_;
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std::map<std::string, unsigned int> cameraIdsMap_;
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Mutex mutex_;
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unsigned int numInternalCameras_;
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unsigned int nextExternalCameraId_;
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};
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#endif /* __ANDROID_CAMERA_MANAGER_H__ */
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